[Freesurfer] question about the vertex index?

2011-09-19 Thread orangekic
Hello,

 I am wondering if there are 163842 vertices in fsaverage,
 will the vertex number be from 0 to 163841 or 1 to 163842 in the label
file?

Best,

KIC
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Re: [Freesurfer] Problem writing talairach.m3z in mri_ca_register

2011-09-19 Thread Lauge Emil Borch Laurs S0rensen


Hi Bruce,

I run it on our local cluster and there is plenty of memory. Here is the 
memory print out from top:


Mem:  18479108k total,  7724396k used, 10754712k free,   369152k buffers
Swap: 72019344k total,  1475720k used, 70543624k free,  6322748k cached

There is also plenty of disk space.

Best,

Lauge


On Sun, Sep 18, 2011 at 04:52, Bruce Fischl fis...@nmr.mgh.harvard.edu 
wrote:

Hi Lauge
How much ram do yo have? Gzip need a lot
Bruce



On Sep 17, 2011, at 3:30 PM, Lauge Emil Borch Laurs S0rensen
lau...@diku.dk wrote:

Lauge

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Re: [Freesurfer] question about the vertex index?

2011-09-19 Thread Thomas Yeo
0 to 163841

On Mon, Sep 19, 2011 at 3:44 PM, orangekic orange...@gmail.com wrote:
 Hello,
  I am wondering if there are 163842 vertices in fsaverage,
  will the vertex number be from 0 to 163841 or 1 to 163842 in the label
 file?
 Best,
 KIC
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 e-mail
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Re: [Freesurfer] question about the vertex index?

2011-09-19 Thread orangekic
Thanks for your answer.

Furthermore, if I read the mri_preproc data (Group.mgh) by load_mgh in
Matlab as below,

Data=load_mgh(Group.mgh)

then the size of Data =(163842,1,1,3)

So, is the Data(2,1,1,3) represented the cortical thickness of the third
subject (from fsgd file) on the second vertex (vertex number = 1)?

 Thomas Yeo
 Mon, 19 Sep 2011 02:45:50 -0700

 0 to 163841

 On Mon, Sep 19, 2011 at 3:44 PM, orangekic orange...@gmail.com wrote:
 Hello,
  I am wondering if there are 163842 vertices in fsaverage,
  will the vertex number be from 0 to 163841 or 1 to 163842 in the label
 file?
 Best,
 KIC
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Re: [Freesurfer] tkmedit bus error

2011-09-19 Thread Carolina Valencia
Thanks  for the answers.
I think the problem was the hard disk space, I can open it now in the views
(tksurfer, tkmedit)

Best regards,

Carolina

2011/9/18 Gonzalo Rojas Costa gonzalo.rojas.co...@gmail.com

 Hi Carolina:

  And did you tested the tksurfer command ?...

 for example: tksurfer CORBIC_vol01 rh pial

  Sincerely,


 Gonzalo Rojas Costa
 Department of Radiology
 Clinica Las Condes
 Santiago
 Chile


  Message: 4
  Date: Sun, 18 Sep 2011 10:25:26 -0400 (EDT)
  From: Bruce Fischl fis...@nmr.mgh.harvard.edu
  Subject: Re: [Freesurfer] tkmedit bus error
  To: Carolina Valencia cvalen...@linkdx.com.co
  Cc: Freesurfer Mailing List freesurfer@nmr.mgh.harvard.edu
 
  Hi Carolina,
 
  does this happen every time? Can you run freeview on the volumes and see
  if it can display them properly?
 
  cheers
  Bruce
  On Thu, 15 Sep 2011, Carolina Valencia
  wrote:
 
  Hi FSusers
 
  I run recon-all in a patient without problems, but when I tried to view
 it in tkmedit, an error pops up.
 
  I appreciate your help!
 
  Best regards,
  Carolina
 
  recon-all -s CORBIC_vol01 finished without error at Tue Sep 13 12:42:43
 COT 2011
  done
  cvalencia-Precision-WorkStation-T3400:~ tkmedit CORBIC_vol01
 brainmask.mgz -aux T1.mgz -surfs -segmentation aseg.mgz
  $FREESURFER_HOME/FreeSurferColorLUT.txt
  Bus error
  cvalencia-Precision-WorkStation-T3400:~ tkmedit CORBIC_vol01
 brainmask.mgz -aux T1.mgz -surfs -segmentation aseg.mgz
  $FREESURFER_HOME/FreeSurferColorLUT.txt
  Bus error

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Re: [Freesurfer] Is this normal when importing the annotations in tksurfer?

2011-09-19 Thread Chen, Xu
Hi, Doug
 
  As instructed in the testing page,  I typed tksurfer bert rh pial and then 
went to File-Label-Import Annotation. The file rh.aparc.annot was selected to 
view cortical parcellation labels.

Thanks
Jerry

From: Douglas N Greve [gr...@nmr.mgh.harvard.edu]
Sent: Friday, September 16, 2011 11:28 AM
To: Chen, Xu
Cc: freesurfer@nmr.mgh.harvard.edu
Subject: Re: [Freesurfer] Is this normal when importing the annotations in 
tksurfer?

Hi Jerry, what is the command you are running? I mean the full command
line including the arguments.
doug

Chen, Xu wrote:
 Hi,

   Just installed FreeSurfer 5.1 ( stable ) to my 64 bit Ubuntu 10.04
 LTS (kernel 2.6.32-33). Playing with it to test the Freesurfer
 installation. Everything seems OK when running tkmedit.   However, a
 msg shown below pops up when I was trying to view cortical
 parcellation labels in tksurfer as instructed in the webpage of
 testingfreesurfer.

 ..
 Found embedded color table in annotation.
 8600 vertices did not have an annotation!

 What does this message implicate? Could it be attributed to the data
 problem (e.g. the inconsistency of vertices between the annotation 
 surface ) or my computer system?  Is it normal to get it?

 Thanks a lot

 Jerry


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 If you have received this message in error, please contact
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Re: [Freesurfer] Is this normal when importing the annotations in tksurfer?

2011-09-19 Thread Bruce Fischl
Hi Jerry

were these just the locations on the medial wall around the corpus 
callosum that are non-cortical?

cheers
Bruce
On Mon, 19 Sep 2011, Chen, Xu wrote:

 Hi, Doug

  As instructed in the testing page,  I typed tksurfer bert rh pial and then 
 went to File-Label-Import Annotation. The file rh.aparc.annot was selected 
 to view cortical parcellation labels.

 Thanks
 Jerry
 
 From: Douglas N Greve [gr...@nmr.mgh.harvard.edu]
 Sent: Friday, September 16, 2011 11:28 AM
 To: Chen, Xu
 Cc: freesurfer@nmr.mgh.harvard.edu
 Subject: Re: [Freesurfer] Is this normal when importing the annotations in 
 tksurfer?

 Hi Jerry, what is the command you are running? I mean the full command
 line including the arguments.
 doug

 Chen, Xu wrote:
 Hi,

   Just installed FreeSurfer 5.1 ( stable ) to my 64 bit Ubuntu 10.04
 LTS (kernel 2.6.32-33). Playing with it to test the Freesurfer
 installation. Everything seems OK when running tkmedit.   However, a
 msg shown below pops up when I was trying to view cortical
 parcellation labels in tksurfer as instructed in the webpage of
 testingfreesurfer.

 ..
 Found embedded color table in annotation.
 8600 vertices did not have an annotation!

 What does this message implicate? Could it be attributed to the data
 problem (e.g. the inconsistency of vertices between the annotation 
 surface ) or my computer system?  Is it normal to get it?

 Thanks a lot

 Jerry


 This e-mail message (including any attachments) is for the sole use of
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 information. If the reader of this message is not the intended
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 or copying of this message (including any attachments) is strictly
 prohibited.

 If you have received this message in error, please contact
 the sender by reply e-mail message and destroy all copies of the
 original message (including attachments).
 

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 --
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 MGH-NMR Center
 gr...@nmr.mgh.harvard.edu
 Phone Number: 617-724-2358
 Fax: 617-726-7422

 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
 FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html



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Re: [Freesurfer] Problem writing talairach.m3z in mri_ca_register

2011-09-19 Thread R Edgar
On Mon, Sep 19, 2011 at 3:52 AM, Lauge Emil Borch Laurs S0rensen
lau...@diku.dk wrote:

 I run it on our local cluster and there is plenty of memory. Here is the
 memory print out from top:

 Mem:  18479108k total,  7724396k used, 10754712k free,   369152k buffers
 Swap: 72019344k total,  1475720k used, 70543624k free,  6322748k cached

 There is also plenty of disk space.

Are you sure that there aren't per process limits which are set lower
than those?

Richard

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Re: [Freesurfer] pial surface file format

2011-09-19 Thread Louis Nicholas Vinke
You should already have them. In your $FREESURFER_HOME dir there is a 
sub-dir called 'matlab'.  I believe 'read_surf.m' is what you are looking for.
-Louis

On Wed, 14 Sep 2011, Jeff Eriksen wrote:

 Super! Please tell me how to obtain the m-files.
 -Jeff

 On 9/14/11 6:49 PM, Bruce Fischl fis...@nmr.mgh.harvard.edu wrote:

 Yes, and we provide m files for reading them
 Cheers
 Bruce



 On Sep 14, 2011, at 9:46 PM, Jeff Eriksen eriks...@ohsu.edu wrote:

 I wish to extract the pial and GW surfaces from their surface files to
 manipulate in Matlab. As far as I can determine, these are the files
 lRh.white and lrh.pial. Can someone please confirm this, and also
 confirm that these are in the triangle surface file binary format? If
 this is all true, I can proceed to opening and reading the meshes.
 Thanks,
 -Jeff Eriksen


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Re: [Freesurfer] question about the vertex index?

2011-09-19 Thread Douglas N Greve
Yes
doug

orangekic wrote:
 Thanks for your answer.

 Furthermore, if I read the mri_preproc data (Group.mgh) by load_mgh in 
 Matlab as below,

 Data=load_mgh(Group.mgh) 

 then the size of Data =(163842,1,1,3)

 So, is the Data(2,1,1,3) represented the cortical thickness of the 
 third subject (from fsgd file) on the second vertex (vertex number = 1)?
  
  Thomas Yeo
  Mon, 19 Sep 2011 02:45:50 -0700
  0 to 163841

  On Mon, Sep 19, 2011 at 3:44 PM, orangekic orange...@gmail.com 
  mailto:orange...@gmail.com wrote:
  Hello,
   I am wondering if there are 163842 vertices in fsaverage,
   will the vertex number be from 0 to 163841 or 1 to 163842 in the label
  file?
  Best,
  KIC

   
 

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MGH-NMR Center
gr...@nmr.mgh.harvard.edu
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Fax: 617-726-7422

Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
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Re: [Freesurfer] Is this normal when importing the annotations in tksurfer?

2011-09-19 Thread Douglas N Greve
Yes, that message is that the medial all vertices do not have a label. 
This is normal and nothing to worry about.
doug

Bruce Fischl wrote:
 Hi Jerry

 were these just the locations on the medial wall around the corpus 
 callosum that are non-cortical?

 cheers
 Bruce
 On Mon, 19 Sep 2011, Chen, Xu wrote:

 Hi, Doug

  As instructed in the testing page,  I typed tksurfer bert rh pial 
 and then went to File-Label-Import Annotation. The file 
 rh.aparc.annot was selected to view cortical parcellation labels.

 Thanks
 Jerry
 
 From: Douglas N Greve [gr...@nmr.mgh.harvard.edu]
 Sent: Friday, September 16, 2011 11:28 AM
 To: Chen, Xu
 Cc: freesurfer@nmr.mgh.harvard.edu
 Subject: Re: [Freesurfer] Is this normal when importing the 
 annotations in tksurfer?

 Hi Jerry, what is the command you are running? I mean the full command
 line including the arguments.
 doug

 Chen, Xu wrote:
 Hi,

   Just installed FreeSurfer 5.1 ( stable ) to my 64 bit Ubuntu 10.04
 LTS (kernel 2.6.32-33). Playing with it to test the Freesurfer
 installation. Everything seems OK when running tkmedit.   However, a
 msg shown below pops up when I was trying to view cortical
 parcellation labels in tksurfer as instructed in the webpage of
 testingfreesurfer.

 ..
 Found embedded color table in annotation.
 8600 vertices did not have an annotation!

 What does this message implicate? Could it be attributed to the data
 problem (e.g. the inconsistency of vertices between the annotation 
 surface ) or my computer system?  Is it normal to get it?

 Thanks a lot

 Jerry


 This e-mail message (including any attachments) is for the sole use of
 the intended recipient(s) and may contain confidential and privileged
 information. If the reader of this message is not the intended
 recipient, you are hereby notified that any dissemination, distribution
 or copying of this message (including any attachments) is strictly
 prohibited.

 If you have received this message in error, please contact
 the sender by reply e-mail message and destroy all copies of the
 original message (including attachments).
  


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 -- 
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 gr...@nmr.mgh.harvard.edu
 Phone Number: 617-724-2358
 Fax: 617-726-7422

 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
 FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html



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MGH-NMR Center
gr...@nmr.mgh.harvard.edu
Phone Number: 617-724-2358 
Fax: 617-726-7422

Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting
FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html

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Re: [Freesurfer] tkmedit bus error

2011-09-19 Thread Gonzalo Rojas Costa
Hi Carolina:

   Is it possible, but in my case when the hard disk is full at the 
moment of the processing, I got a fatal error from recon-all command...

   Sincerely,


Gonzalo Rojas Costa


El 19-09-2011 9:53, Carolina Valencia escribió:
 Thanks  for the answers.
 I think the problem was the hard disk space, I can open it now in the
 views (tksurfer, tkmedit)

 Best regards,

 Carolina
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Re: [Freesurfer] ICV differences from version 5.0 to 5.1

2011-09-19 Thread Nick Schmansky
in v5.1, the talairach stage was moved to precede the nu_correct stage,
so that creation of nu.mgz can benefit from usage of the talairach.xfm.
this means that the talairach stage uses orig.mgz as input instead of
nu.mgz (the nu_correct'd image). in looking at your talairach images,
they seem good enough for freesurfer purposes, but clearly are not as
good as v5.0.  they seems sufficient for ICV as long as ICV is used as
normalizer for, say, hippocampal volume, in a group study.  the
freesurfer ICV is not a very accurate absolute measure (see wiki on how
its calculated).

i suppose we could run the talairach stage again after nu.mgz is
created, since the talairach stage only takes a couple minutes.

n.



On Mon, 2011-09-19 at 10:25 -0500, Koller, Jonathan wrote:
 Hi Ed and freesurfer folks,
 
  
 
 Thanks for your reply, but I think that the ICV is computed from
 talairach.xfm (see lines 3261-3266 in the current recon-all), which is
 actually computed before any normalization. If you look at file times,
 talairach.xfm (in the mri/transforms/ directory) is created right
 after orig.mgz, and before nu.mgz. The input for the 12-parameter
 talairach registration is the orig.mgz image (converted to analyze,
 and then 4dfp format).  Is this not the case?
 
  
 
 Thanks,
 
 Jon
 
  
 
 From: freesurfer-boun...@nmr.mgh.harvard.edu
 [mailto:freesurfer-boun...@nmr.mgh.harvard.edu] On Behalf Of Ed
 Gronenschild
 Sent: Saturday, September 17, 2011 2:50 AM
 To: freesurfer@nmr.mgh.harvard.edu
 Subject: Re: [Freesurfer] ICV differences from version 5.0 to 5.1
 
 
  
 
 Jon,
 
  
 
 
 The reason is that already in one step earlier in the pipeline,
 
 
 the nu-correct stage, a difference arises. See thread on
 
 
 Differences in nu.mgz between v5.0.0 and v5.1.0
 
 
  
 
 
 Cheers,
 
 
 Ed
 
 
  
 
  
 
 
 Hi,
 
  
 
 We have noticed differences in Talairach registration (and
 therefore ICV estimates) in some of our subjects from version
 5.0 to version 5.1. Please see the attached document. There
 are 4 subjects, each row represents the same subject, same
 input images, same recon-all options (-all) between versions.
 The bottom of the second page has a table with the ICV values
 for these subjects across versions.
 
  
 
 Have there been any changes to the Talairach registration step
 from 5.0 to 5.1 that would account for these differences?
 
  
 
 Thanks,
 
 Jon
 
  
 
 
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Re: [Freesurfer] Is this normal when importing the annotations in tksurfer?

2011-09-19 Thread Chen, Xu
Thanks for the clarification!
Cheers

Jerry

From: Douglas N Greve [gr...@nmr.mgh.harvard.edu]
Sent: Monday, September 19, 2011 10:15 AM
To: Bruce Fischl
Cc: Chen, Xu; freesurfer@nmr.mgh.harvard.edu
Subject: Re: [Freesurfer] Is this normal when importing the annotations in 
tksurfer?

Yes, that message is that the medial all vertices do not have a label.
This is normal and nothing to worry about.
doug

Bruce Fischl wrote:
 Hi Jerry

 were these just the locations on the medial wall around the corpus
 callosum that are non-cortical?

 cheers
 Bruce
 On Mon, 19 Sep 2011, Chen, Xu wrote:

 Hi, Doug

  As instructed in the testing page,  I typed tksurfer bert rh pial
 and then went to File-Label-Import Annotation. The file
 rh.aparc.annot was selected to view cortical parcellation labels.

 Thanks
 Jerry
 
 From: Douglas N Greve [gr...@nmr.mgh.harvard.edu]
 Sent: Friday, September 16, 2011 11:28 AM
 To: Chen, Xu
 Cc: freesurfer@nmr.mgh.harvard.edu
 Subject: Re: [Freesurfer] Is this normal when importing the
 annotations in tksurfer?

 Hi Jerry, what is the command you are running? I mean the full command
 line including the arguments.
 doug

 Chen, Xu wrote:
 Hi,

   Just installed FreeSurfer 5.1 ( stable ) to my 64 bit Ubuntu 10.04
 LTS (kernel 2.6.32-33). Playing with it to test the Freesurfer
 installation. Everything seems OK when running tkmedit.   However, a
 msg shown below pops up when I was trying to view cortical
 parcellation labels in tksurfer as instructed in the webpage of
 testingfreesurfer.

 ..
 Found embedded color table in annotation.
 8600 vertices did not have an annotation!

 What does this message implicate? Could it be attributed to the data
 problem (e.g. the inconsistency of vertices between the annotation 
 surface ) or my computer system?  Is it normal to get it?

 Thanks a lot

 Jerry


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[Freesurfer] mris_calc problem

2011-09-19 Thread Dabbs (Kevin)
I have ran into a problem with mris_calc using Freesurfer 5.1 on Mac OS 
Leopard.  When running long_mris_slopes I am getting this error;

ERROR 1 : mris_calc compute sym. pct. change (spc) problem?

It seems to running properly until it hits;
mris_calc -o 
/Volumes/larry/cluster_results/1007base3/surf/lh.long.thickness-spc.fwhm0.mgh 
./tmp-1007base3_lh_thickness_PENQ8v/beta1.mgh div 
./tmp-1007base3_lh_thickness_PENQ8v/beta0.mgh

The ./tmp files do exist whern mris_calc is called.
I have seen on the Wiki that a fixed version of mris_calc is available for 
Centos.  If you think I could be running into the same problem, is a fix 
available for Leopard?

Thanks, Kevin
Department of Neurology
University of Wisconsin-Madison




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Re: [Freesurfer] mris_calc problem

2011-09-19 Thread Rudolph Pienaar
The problem was a bug related to a buffer overflow on the string lengths 
of command line arguments. Basically, filename/directory names that were 
too long triggered it.

Nick might know if a newer Mac build is available. In the meantime, you 
can try re-running the command with shorter file/dir names:

1. Copy your inputs, beta1.mgh and beta2.mgh to some dir, say ~/tmp
2. Run something shorter like:

cd ~/tmp
mris_calc -o beta_out.mgh beta1.mgh div beta0.mgh
mv beta_out.mgh 
/Volumes/larry/cluster_results/1007base3/surf/lh.long.thickness-spc.fwhm0.mgh




On 9/19/11 15:47 , Dabbs (Kevin) wrote:
 I have ran into a problem with mris_calc using Freesurfer 5.1 on Mac OS
 Leopard. When running long_mris_slopes I am getting this error;

 ERROR 1 : mris_calc compute sym. pct. change (spc) problem?

 It seems to running properly until it hits;
 mris_calc -o
 /Volumes/larry/cluster_results/1007base3/surf/lh.long.thickness-spc.fwhm0.mgh
 ./tmp-1007base3_lh_thickness_PENQ8v/beta1.mgh div
 ./tmp-1007base3_lh_thickness_PENQ8v/beta0.mgh

 The ./tmp files do exist whern mris_calc is called.
 I have seen on the Wiki that a fixed version of mris_calc is available
 for Centos. If you think I could be running into the same problem, is a
 fix available for Leopard?

 Thanks, Kevin
 Department of Neurology
 University of Wisconsin-Madison






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Re: [Freesurfer] mris_calc problem

2011-09-19 Thread Nick Schmansky
i've put the updated mris_calc for macos leopard here:

https://surfer.nmr.mgh.harvard.edu/pub/dist/freesurfer/misc/macos-leopard-intel/


On Mon, 2011-09-19 at 14:47 -0500, Dabbs (Kevin) wrote:
 I have ran into a problem with mris_calc using Freesurfer 5.1 on Mac
 OS Leopard.  When running long_mris_slopes I am getting this error;
 
 
 ERROR 1 : mris_calc compute sym. pct. change (spc) problem?
 
 
 It seems to running properly until it hits;
 mris_calc
 -o 
 /Volumes/larry/cluster_results/1007base3/surf/lh.long.thickness-spc.fwhm0.mgh 
 ./tmp-1007base3_lh_thickness_PENQ8v/beta1.mgh div 
 ./tmp-1007base3_lh_thickness_PENQ8v/beta0.mgh
 
 
 The ./tmp files do exist whern mris_calc is called.
 I have seen on the Wiki that a fixed version of mris_calc is available
 for Centos.  If you think I could be running into the same problem, is
 a fix available for Leopard?
 
 
 Thanks, Kevin
 Department of Neurology
 University of Wisconsin-Madison
 
 
 
 
 
 
 
 
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Re: [Freesurfer] mris_calc problem

2011-09-19 Thread Dalwani, Manish
Hello Freesurfer's

If tkmedit shows the T1 image in radiological convention, then what convention 
does the surface reconstruction follow? Please advice!

Regards,
Manish Dalwani

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[Freesurfer] Laterality Issue!

2011-09-19 Thread Dalwani, Manish
   Hello Freesurfer's

If tkmedit shows the T1 image in radiological convention, then what convention 
does the surface reconstruction follow? Please advice!

Regards,
Manish Dalwani

P.s. I sent this email out earlier with the wrong subject name...
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Re: [Freesurfer] Laterality Issue!

2011-09-19 Thread Douglas N Greve
There is no convention for the surfaces. If it is labeled lh, then it 
is left hemi, etc.
doug

Dalwani, Manish wrote:
Hello Freesurfer's


 If tkmedit shows the T1 image in radiological convention, then
 what convention does the surface reconstruction follow? Please advice!

 Regards,
 Manish Dalwani

 P.s. I sent this email out earlier with the wrong subject name...

 

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[Freesurfer] register.dat Matrix Conventions

2011-09-19 Thread Clark Fisher
Hello,

I was wondering what orientation conventions are used when calculating the 
affine transformation matrix in register.dat.  For an example, I'll use the 
data from subject 101 of the fsfast tutorial. According to mri_info, the 
functional volume is in LPS orientation, and the processed anatomical volume 
(T1.mgz) is in LIA orientation. Does the matrix in register.dat convert from 
the functional LPS orientation to the anatomical LIA orientation, or does the 
matrix assume these volumes are already transformed in some other way?

Thanks,
Clark
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